Monitor Details in Linux (Ubuntu)

My friend has recently bought a second-hand vehicle with an in-car computer and it's wired up to a touchscreen monitor on the dashboard (very impressive!). Now, I've helped him install Ubuntu on...

Text Zoom in putty emacs

I'm currently using Emacs 23.1 on a remote server through putty. I would like to be able to zoom out (so I can view all my code when needed). I've tried several methods and none of them have...

Java simple code: java.net.SocketException: Unexpected end of file from server

I wrote some simple code in Java, the method should connect to the website and return the BufferedReader. private BufferedReader getConnection(String url_a) { URL url; try { ...

Cron scheduler of python script using notify-send

I'm having some difficulty using these three technologies together. Cron entry: * * * * * /usr/bin/python /path/to/python/email/program.py Python program: 1 #!/usr/bin/python 2 3 import...

_XReply() terminates app with _XIOError()

We're developing some complexed application which consists of linux binary integrated with java jni calls (from JVM created in linux binary) from our custom made .jar file. All gui work is...

Installation of MacVim to use gvim

Previously I had gVim running and working; however, my hard drive crashed so everythin'g got erased. Anyways, I am trying to run gVim to open files "-bash: gVim: command not found. I installed X11...

How to use .first() function in R in .Rdata mode

I'm trying to customize my R setup. I understood the part where we can put our functions(.First/Last) in Rprofile.site or .Rprofile. but I want to take .Rdata route. As I understand that if I have...

CORS issue on Swagger UI

Can someone tell me why am i getting these errors. GET http://127.0.0.1:9000/api-docs/service.json 200 OK 4ms swagger-ui.js (line 30261) Unable to Load SwaggerUI /api-docs/ (line 83) ...

How does x11 authorization works? (MIT Magic Cookie)

I am interested in an in depth answer explaining how exactly does X11 authorization works and especially MIT Magic Cookies. I understand that what it actually does is to forbid access to everyone...

Set userAgent with selenium-webdriver/firefox (NodeJS)

I have a code running browser using 'selenium-webdriver'. It runs on Ubuntu. I have to override userAgent so it will look like the requests from the browser are coming from Windows (i.e. the value...

X11 Window/GLXWindow attributes to GLFWwindow

Im created GLX window, that contains CWOverrideRedirect attribute, and destroyed input shape, so it looks like OpenGL overlay. Now I am wanted to draw a 2d text or use ImGUI. A lot of examples use...

Nginx -Gitlab: could not clone over https

I starting setting up a gitlab-runner, before I only try to clone, pull, push, etc. over ssh. With ssh it was no problem, so I think it is a problem with nginx. I try some settings in nginx, but...

Getting [Errno 110] 'Connection timed out' when trying to do get requests in python

I am able to access the below "URL" mentioned in code manually in firefox browser and see the json response as : { "version" : "1.0", "email_address" : "[email protected]" } But when I am...

How to block a specific website browser agent?

Lately i'm facing some issues with a data mining bot, extracting data from my website everyday at certain hours of the day. This will not only waste my bandwidth but also giving wrong data to my...

XQuartz opens automatically when RStudio opens

Lately, whenever I launch RStudio, the XQuartz app also automatically launches. How can I stop this from happening? (It's annoying!) The only thing I could find related to this issue was this...

python requests enable cookies/javascript

I try to download an excel file from a specific website. In my local computer it works perfectly: >>> r = requests.get('http://www.health.gov.il/PublicationsFiles/IWER01_2004.xls') >>>...

(in Video.js) how to set custom request headers?

After running into this problem, I worked up a minimal example based on this documentation: <!DOCTYPE html> <html lang="en" dir="ltr"> <head> <meta charset="utf-8"> <link...

mysql command not found in bash

On my mac, if I type mysql --version in bash, the bash shows that command not found. $ echo...

'Unable to open X display' error is produced by a CEF application running in windowless (off screen rendering) mode

[01] The application was built and executed in a docker. The Dockerfile is as follows: >>>> FROM ubuntu:xenial RUN apt-get update -y RUN apt-get install -y wget RUN...

Android app crash with null pointer dereference?

I'm developing an app, and sometimes it crashes, without any cause in my code. The only thing I have in the logcat is this: 2019-10-07 09:55:34.677 15014-15014/? A/DEBUG: *** *** *** *** ***...

How to set up working X11 forwarding on WSL2

When moving from WSL1 to WSL2 many things change; apparently this applies to X11 forwarding as well. What steps do I need to make in order to use X11 forwarding with WSL2 on Windows 10 as I did with WSL1?

Runing OpenModelica GUI from Docker causes "Could not connect to any X display" error

On Modelica Language Discord, someone posted the commands to get the OpenModelica GUI (OMEdit) running on Linux: xhost +"local:[email protected]" docker run -ti --rm --privileged --net=host -e...

glfw pkg-config error when building a fyne app

Golang code: package main import ( "fyne.io/fyne/app" "fyne.io/fyne/widget" ) func main() { application := app.New() window = application.NewWindow("Hello rohan") ...

Error with ruby version on termux when I try to install metasploit

I was installing metasploit with termux and it said: termux output ~ $ ls <br> metasploit-framework storage wiki-termux<br> ~ $ cd metasploit-framework<br> ~/metasploit-framework $ ruby...

XRDP is not using DWM as specified in my .xinitrc file

I'm trying to get RDP access to my X server running ubuntu server 20.04.1 (yes I know normally you wouldn't use X on a server but I have some reasons) I don't want to use all the resources that...

Unknown random memory crash in react native

My app is crashing randomly. I tried but unable to debug the exact reason. Below is my crash log: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** Cannot figure out the cause ***...

Raspberry Pi / Remote Desktop, "connection problem, giving up"

I have three new Raspberry Pis running this OS: PRETTY_NAME="Raspbian GNU/Linux 11 (bullseye)" NAME="Raspbian GNU/Linux" VERSION_ID="11" VERSION="11...

wxPython not installing via PIP on Apple Silicon M1 Max

Have a project that is written in Python 3.8.x and wxPython. It was developed on an Apple MacBookPro (Intel-based). wxPython installed via PIP inside a virtual environment without problems. Life...

Flutter iOS app crashes on start from ipa file, but works fine when running from xCode

I got a problem with ipa file and can't locate the problem. When I run app from Xcode everything works like charm, but when I create ipa file and run it from TestFlight or Firebase distribution...

Why doesn't my epoll based program improve performance by increasing the number of connections?

I have a program which reads a file of domain names (one domain per line) and performs asynchronous DNS resolution and then downloads the landing page for each domain. The network communication is...